Home / 5,449.46-7,520.40-3,858.93

Finding the Fourth Proportional to 5,449.46, 7,520.40 and 3,858.93

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Solution

The fourth proportional to 5,449.46, 7,520.40 and 3,858.93 is: 5,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.46 : 7,520.40 = 3,858.93 : x
  2. Step 2: Convert to fraction form
    5,449.46/7,520.40 = 3,858.93/x
  3. Step 3: Cross multiply
    5,449.46x = 7,520.40 × 3,858.93
  4. Step 4: Simplify right side
    5,449.46x = 29,020,697.17
  5. Step 5: Solve for x
    x = 29,020,697.17/5,449.46
  6. Step 6: Final answer
    x = 5,325.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.